# -*- coding:utf-8 -*-
"""
Author：Administrator
Date:2021年12月03日
"""
import pandas as pd

data = [110, 105, 99, 120, 115]
index = [1, 2, 3, 4, 5]
df = pd.DataFrame(data=data, index=index, columns=['英语'])
df['升降'] = df['英语']-df['英语'].shift()
print(df)